//package Study;

import java.util.ArrayList;
import java.util.Scanner;

public class noteBook {
    private  ArrayList<String> notes = new ArrayList<String>();

   public void add(String s){
//        notes.add(s);
       notes.add(s);
   }
   public int getsize(){
       return notes.size();
   }
   public String getNote(){
       return "";
   }
   public boolean removeNote(int index){
       return true;
   }
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        noteBook vm = new noteBook();
        vm.add("first");
        vm.add("second");
        vm.notes.add(" ");
        System.out.println(vm.getsize());
    }
}